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Fast Plants

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Submitted By 1234dayosog
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Fast Plants and Mendel’s Theories of Inheritance

Abstract
The “Brassica rapa” is a fast plant known as the field mustard. This plant is well known for its rapid growing rate, which makes it an easy breeding cycle and easy to pollinate. In giving so this makes “Brassica rapa” a great participant for testing Gregor Mendel’s theories of inheritance. The “Brassica rapa” acts like a test subject in testing cross-pollination giving the understanding to the dominant allele of colored stems. There are different colors that are visible on the stem that are above the soil; the colors vary from green to purple. P1 seed was ordered, germinated and cross-pollinated until germination of the next off spring of plants were also done. It was hypothesized that the presence of purple pigment (anthocyanin) is inherited as a dominant trait and follows Mendelian laws. The experiments were performed in quads, with the different quads being amongst different sections; those with data were then gathered. The complete data was used to prove or disagree with Mendel’s theories. The data was to represent which of he two colors were a dominating phenotype. At the end of the experiment, realization of errors came to show by the Chi Square, results were considered questionable.

Materials The following materials are present to correctly repeat this experiment. These materials are: seeds of specific phenotypes, seed-collecting pan, small envelopes, several wicks, opaque tape, Styrofoam quads, fluorescent light bank, water reservoir, water, water dropper, potting soil mix, fertilized pellets watering tray, petri dish w/ filter paper, and a paint brush.

Methods Start by pulling out a four-celled Styrofoam quad, using the opaque tape labeling the quad with the name of the group, the date, and plant name Brassica rapa. Add potting soil to each celled quad until half full and add three

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